Seiko Cal. 7017 - 643

Seiko 7017-643

The Seiko 7017-643 represents an important milestone in Seiko's 1979 lineup. Powered by the 7017 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-790c1c2df5b3]

Also known as: Silverwave, World Timer

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1979

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seikata-wm-790c1c2df5b3